Slab is a thin concrete structure used for flooring that can be square, rectangular, or circular. Slabs vary in thickness from 4-6 inches depending on load and are made of cement, coarse aggregate, fine aggregate, and reinforcement bars. There are several types of slabs including one-way slabs which carry load in one direction, two-way slabs which carry load in two directions, joist slabs which have concrete ribs for support, and precast slabs which are constructed off-site and transported. Other slab types include flat plates, flat slabs, waffle slabs, hollow core slabs, and composite slabs which incorporate a steel deck.
This document discusses causes, effects, and methods of preventing dampness in buildings. It outlines several precautions that should be taken such as proper site drainage and wall thickness. Common causes of dampness include rising moisture, rain penetration, and poor drainage. Effects include breeding mosquitoes and damage to building materials. Methods of damp proofing discussed are damp proof courses, waterproof surface treatments, integral treatments during construction, cavity walls, and cement grouting of cracks. Specific materials used for damp proof courses like bitumen and mastic asphalt are also outlined.
This document discusses different types of foundations, including shallow and deep foundations. Shallow foundations include spread footings, combined footings, strap footings, and raft/mat foundations. Deep foundations include pile foundations, pier foundations, and caisson/well foundations. It also discusses considerations for foundations on expansive black cotton soil, recommending methods like strip foundations, pier foundations, and under-reamed pile foundations.
This document discusses different types of stone masonry and brick masonry. It describes various stone masonry techniques including rubble masonry (uncoursed, coursed random, coursed squared, polygonal, flint) and ashlar masonry (fine, rough, rock-faced, chamfered, block). It also outlines key principles for stone and brick masonry work and compares their properties and construction methods. Supervision tips are provided to ensure proper brickwork.
The document discusses reinforced cement concrete (RCC) structures. It describes two types of building structures - load bearing, where walls transmit loads directly to the ground, and framed structures, where loads are transferred through RCC beams, columns, and slabs. It also discusses design loads on buildings including dead loads from structural weight and live loads. Common RCC structural elements like beams, slabs, shear walls and elevator shafts are described. Raw materials, advantages, specifications, common ratios, one-way and two-way slabs, and examples of RCC structures are covered.
This document provides information about different types of stairs. It defines key stair components like steps, treads, and risers. It then describes 8 common types of stairs including straight stairs, dog-legged stairs, quarter turn stairs, and spiral stairs. Each type is defined and the suitable applications are outlined. The document aims to inform about the different shapes, materials, and styles of stairs that can be used in buildings.
This document provides an overview of roofs and roofing materials. It defines roofs and their key components. There are three main types of roofs discussed: pitched or sloping roofs, flat roofs, and curved roofs. Pitched roofs are further broken down based on their shape, including gable, gambrel, hip, and mansard roofs. Common roof framing elements and types of pitched roof framing structures like trusses are also outlined. Finally, the document discusses various roof covering materials appropriate for pitched roofs, such as thatch, wood shingles, tiles, metal sheets, and lightweight roofing.
Shoring is the construction of a temporary structure to support an unsafe or unstable structure. There are three main types of shoring: raking shores, flying shores, and dead shores. Raking shores use inclined members called rakers to provide lateral support to walls. Flying shores provide temporary support between party walls when an intermediate building is demolished. Dead shores provide vertical support to walls and structures when the lower part of a wall is removed, such as to add an opening.
This document discusses causes, effects, and methods of preventing dampness in buildings. It outlines several precautions that should be taken such as proper site drainage and wall thickness. Common causes of dampness include rising moisture, rain penetration, and poor drainage. Effects include breeding mosquitoes and damage to building materials. Methods of damp proofing discussed are damp proof courses, waterproof surface treatments, integral treatments during construction, cavity walls, and cement grouting of cracks. Specific materials used for damp proof courses like bitumen and mastic asphalt are also outlined.
This document discusses different types of foundations, including shallow and deep foundations. Shallow foundations include spread footings, combined footings, strap footings, and raft/mat foundations. Deep foundations include pile foundations, pier foundations, and caisson/well foundations. It also discusses considerations for foundations on expansive black cotton soil, recommending methods like strip foundations, pier foundations, and under-reamed pile foundations.
This document discusses different types of stone masonry and brick masonry. It describes various stone masonry techniques including rubble masonry (uncoursed, coursed random, coursed squared, polygonal, flint) and ashlar masonry (fine, rough, rock-faced, chamfered, block). It also outlines key principles for stone and brick masonry work and compares their properties and construction methods. Supervision tips are provided to ensure proper brickwork.
The document discusses reinforced cement concrete (RCC) structures. It describes two types of building structures - load bearing, where walls transmit loads directly to the ground, and framed structures, where loads are transferred through RCC beams, columns, and slabs. It also discusses design loads on buildings including dead loads from structural weight and live loads. Common RCC structural elements like beams, slabs, shear walls and elevator shafts are described. Raw materials, advantages, specifications, common ratios, one-way and two-way slabs, and examples of RCC structures are covered.
This document provides information about different types of stairs. It defines key stair components like steps, treads, and risers. It then describes 8 common types of stairs including straight stairs, dog-legged stairs, quarter turn stairs, and spiral stairs. Each type is defined and the suitable applications are outlined. The document aims to inform about the different shapes, materials, and styles of stairs that can be used in buildings.
This document provides an overview of roofs and roofing materials. It defines roofs and their key components. There are three main types of roofs discussed: pitched or sloping roofs, flat roofs, and curved roofs. Pitched roofs are further broken down based on their shape, including gable, gambrel, hip, and mansard roofs. Common roof framing elements and types of pitched roof framing structures like trusses are also outlined. Finally, the document discusses various roof covering materials appropriate for pitched roofs, such as thatch, wood shingles, tiles, metal sheets, and lightweight roofing.
Shoring is the construction of a temporary structure to support an unsafe or unstable structure. There are three main types of shoring: raking shores, flying shores, and dead shores. Raking shores use inclined members called rakers to provide lateral support to walls. Flying shores provide temporary support between party walls when an intermediate building is demolished. Dead shores provide vertical support to walls and structures when the lower part of a wall is removed, such as to add an opening.
Joints are easy to maintain and are less detrimental than uncontrolled or uneven cracks. Concrete expands & shrinks with variations in moisture and temp. The overall affinity is to shrink and this can cause cracking at an early age. Uneven cracks are unpleasant and difficult to maintain but usually do not affect the integrity of concrete.
pipe expansion joint us bellows us bellows catalogue rubber expansion joint metal expansion joints driveway expansion joint filler flexi craft expansion joints building expansion joint systems
construction joint vs expansion joint construction joint vs control joint sidewalk control joint spacing concrete wall control joints expansion joint concrete construction joint concrete concrete joints control joint
monolithic isolation joints isolation joint material isolation joint vs expansion joint isolation joint neo prene insulating joints pipeline isolation joint vs control joint isolation joints in concrete concrete slab isolation joint
construction joint vs expansion joint construction joint vs control joints idewalk control joint spacing concrete wall control joints expansion joint concrete construction joint concrete concrete joints control joint
concrete joint filler
concrete joint filler strips
control joint vs construction joint concrete
concrete control joint filler
concrete slab control joint detail
types of concrete expansion joints
construction joint concrete
control joints in concrete
Stone masonry uses stones bonded together with mortar to construct various building components such as walls, columns, foundations, arches and lintels. Stones are selected based on availability, ease of working, appearance, strength, polishing characteristics and economy. There are two main types of stone masonry - rubble masonry which uses roughly dressed stones with wider joints, and ashlar masonry which uses accurately dressed stones with fine, uniform joints. Rubble masonry includes uncoursed, coursed, random, dry and polygonal styles based on stone arrangement. Ashlar masonry has fine, rough, rock-faced, block and chamfered styles based on stone dressing. Stone
This document discusses raft/mat foundations, including:
- A raft foundation is a thick reinforced concrete slab that supports columns and transmits loads into the soil. It is used for structures with large or uneven column loads.
- Types of raft foundations include flat plate, thickened under columns, beam and slab, box structures, and mats on piles.
- Construction involves soil testing, excavation, reinforcement placement, forming, concrete pouring, and curing. Raft foundations are economic and reduce differential settlement but require treatment for point loads.
The document discusses different types of lintels and arches used in building construction. It describes lintels as horizontal structural members placed across openings to support the structure above. Various lintel materials include timber, stone, brick, reinforced brick, steel, and reinforced concrete. Arches are structures that span openings and support weight below through arch action. Key arch types include flat, semi-circular, segmental, relieving, parabolic, and others defined by their geometric shape. Arches are classified based on materials like brick, stone, concrete, metal and wood. Factors in arch construction and methods to prevent arch failure are also summarized.
The document discusses different types of doors and windows. It describes doors in terms of their components, sizes, frames, types and materials. The main types of doors covered are paneled doors, glazed doors, flush doors, louvered doors, revolving doors, sliding doors, swing doors and collapsible doors. It also discusses different types of windows like fixed windows. Rolling shutters are described as curtain-like doors made of thin steel sheets used for shops and warehouses. The document provides detailed information on specifications and uses of different door and window components.
This document discusses the design of flat slab structures. It begins by defining a flat slab as a type of slab supported directly on columns without beams. It then provides details on the types of flat slabs, their common uses in buildings, and benefits such as flexibility in layout and reduced construction time. The document goes on to discuss key design considerations for flat slabs including thickness, drops, column heads, and methods of analysis. It focuses on the direct design method and provides limitations for its use.
The document discusses different types of flooring materials and their construction. It describes the key components of flooring as the sub-floor or base course, and floor covering. Common materials used include cement concrete, lime concrete, stones, bricks and wood. The selection of flooring depends on factors like initial cost, appearance, durability, damp and fire resistance. Specific flooring types discussed include mud, muram, brick, flagstone, cement concrete, terrazzo, mosaic and tile flooring.
The document discusses different types of staircases and their components. It provides definitions for technical terms related to staircases like tread, riser, landing, flight, etc. It also outlines requirements for a good staircase such as location, width, pitch, headroom and balustrade requirements. Different types of staircases are classified as straight, turning, continuous and spiral. Dimensions of steps and materials used for staircase construction like timber, metal, RCC and stone are also covered.
The document provides information on the basics of civil engineering foundations. It discusses the objectives and types of foundations, including shallow foundations like isolated and combined footings, and deep foundations such as pile and pier foundations. Pile foundations can be friction piles or load bearing piles. Factors that determine the size and bearing capacity of foundations are also covered. The document contains diagrams to illustrate foundation components and construction methods.
This document discusses arches and their elements. It defines key terms like intrados, extrados, voussoirs, crown, and springing line. It describes how arches transmit loads through compression between wedge-shaped units. Arches are classified by their shape (flat, segmental, semicircular), number of centers (one-centered, two-centered), and construction material (stone, brick, concrete). Common arch types include flat arches, segmental arches, semicircular arches, and pointed Gothic arches.
This document discusses different types of reinforced concrete slabs, including one-way slabs, two-way slabs, flat slabs, and ribbed slabs. One-way slabs are supported on two sides and bend in one direction, while two-way slabs are supported on all four sides and bend in both directions. Flat slabs do not have beams and loads are transferred directly to columns, providing a plain ceiling. Ribbed slabs contain reinforced concrete ribs spaced no more than 1 meter apart between which the slab spans.
Definition,
functions,
types of foundations,
foundation loads,
selection criteria for foundations based on soil conditions,
bearing capacity of soil,
methods of testing,
method of improving bearing capacity of soil,
settlement of foundations,
precautions against settlement,
shallow and deep foundations,
different types of foundations – wall footing (strip footing), isolated footing, combined footing, raft foundation, pile foundation etc.
Masonry is the building of structures from individual units laid in and bound together by mortar; the term masonry can also refer to the units themselves.
Formwork is a temporary mold used to contain and shape wet concrete until it is cured, and gain sufficient strength to support its own weight. It is commonly made from timber or steel. Formwork must balance requirements like containment, strength, resistance to leakage, accuracy, ease of handling, finish, access for concrete, and economy. It is designed according to factors like the loads it will support, type of structure being built, and materials used. Formwork goes through stages of assembly, concrete placement, and stripping. Proper design, construction, and maintenance of formwork is important to produce high quality, safe concrete structures economically.
The document discusses different types of walls used in buildings including load-bearing walls, non-load bearing walls, cavity walls, and partition walls. It describes the main purposes, materials used, and characteristics of each type of wall. Various finishes that can be applied to walls are also outlined such as plaster, paint, wallpaper, and acoustic treatments that can improve sound absorption.
The document discusses flooring materials and their properties. It provides information on various types of flooring materials including ceramic tiles, marble, terrazzo tiles, and vitrified tiles. For each material, it describes the manufacturing process, characteristics, advantages, disadvantages, common uses, and costs. Ceramic tiles are made from clay, sand and other natural materials that are fired at high temperatures. Marble is a natural stone that comes in various colors and grades. Terrazzo involves pouring a composite material that is ground and polished smooth. Vitrified tiles are made through a process that makes them non-porous and highly durable.
This document provides information about arches, including their definition, functions, elements, and technical terms. It describes different types of arches classified by shape (flat, segmental, semicircular, horseshoe, pointed, and Venetian) and material/workmanship (stone rubble/ashlar, brick rough/axed/gauged/purpose made, and concrete precast/monolithic). The construction process of arches involves three steps - installing centering or formwork, laying/casting the arch, and then striking or removing the centering after the arch gains strength.
It is used as a mould for a structure in which fresh concrete is poured only to harden subsequently.
formwork for concrete slab
beam formwork
steel formwork
doka h20
types of formwork
formwork for concrete
what is formwork in construction
building formwork
plywood disadvantages
advantage plywood
advantages and disadvantages of wood
best plywood for formwork
plywood formwork for concrete
mdf advantages and disadvantages
examples of advantages and disadvantages
advantage steel and construction
advantages of steel
disadvantages of steel structures
examples of advantages and disadvantages
advantages and disadvantages of surveys
wiki advantages and disadvantages
steel formwork design
steel formwork system
The document discusses different building structural systems. It describes structural systems as assemblages of components that transfer loads through members to provide stability and durability. Some key structural systems discussed include wall bearing systems, skeleton systems using beams and columns, frame systems, truss systems, arch systems, shell systems, tent systems, and cable systems. Each system is defined and examples are provided.
lintels are the horizontal members...this ppt discuss about the lintels ...functions...types etc
structural steel lintels
precast concrete lintels
precast concrete lintels prices
steel lintel lowes
steel lintel beam details
masonry lintel span tables
steel lintel sizes for masonry openings
steel lintels masonry
masonry lintel span tables
steel lintel size chart
lintel of a house
lintel construction
block wall lintels
what is a window lintel
what is a lintel
steel lintel for concrete block
The document discusses different types of slabs used in construction. It defines a slab as a thin concrete structure used for flooring that can be square, rectangular or circular in shape. The main types discussed are:
1. Flat slab - A beamless slab constructed directly on columns for a simpler design.
2. Conventional slab - Supported by beams on columns, which can be one-way or two-way depending on load direction.
3. Sunken slab - Used below washrooms to hide pipes below the floor level.
4. Hallow core slab - A precast slab with voids that requires less concrete and provides service ducts.
Foundations can be broadly classified as shallow or deep. Shallow foundations include spread footings, combined footings, strap footings, and mat/raft foundations. Deep foundations transfer load to deeper soils and include pile foundations, pier foundations, and caissons/well foundations. Under-reamed pile foundations are recommended for expansive soils like black cotton soil as they anchor the structure below the moisture fluctuation zone. The piles are bored, under-reamed at the base, reinforced, and poured with concrete to provide a stable foundation.
Joints are easy to maintain and are less detrimental than uncontrolled or uneven cracks. Concrete expands & shrinks with variations in moisture and temp. The overall affinity is to shrink and this can cause cracking at an early age. Uneven cracks are unpleasant and difficult to maintain but usually do not affect the integrity of concrete.
pipe expansion joint us bellows us bellows catalogue rubber expansion joint metal expansion joints driveway expansion joint filler flexi craft expansion joints building expansion joint systems
construction joint vs expansion joint construction joint vs control joint sidewalk control joint spacing concrete wall control joints expansion joint concrete construction joint concrete concrete joints control joint
monolithic isolation joints isolation joint material isolation joint vs expansion joint isolation joint neo prene insulating joints pipeline isolation joint vs control joint isolation joints in concrete concrete slab isolation joint
construction joint vs expansion joint construction joint vs control joints idewalk control joint spacing concrete wall control joints expansion joint concrete construction joint concrete concrete joints control joint
concrete joint filler
concrete joint filler strips
control joint vs construction joint concrete
concrete control joint filler
concrete slab control joint detail
types of concrete expansion joints
construction joint concrete
control joints in concrete
Stone masonry uses stones bonded together with mortar to construct various building components such as walls, columns, foundations, arches and lintels. Stones are selected based on availability, ease of working, appearance, strength, polishing characteristics and economy. There are two main types of stone masonry - rubble masonry which uses roughly dressed stones with wider joints, and ashlar masonry which uses accurately dressed stones with fine, uniform joints. Rubble masonry includes uncoursed, coursed, random, dry and polygonal styles based on stone arrangement. Ashlar masonry has fine, rough, rock-faced, block and chamfered styles based on stone dressing. Stone
This document discusses raft/mat foundations, including:
- A raft foundation is a thick reinforced concrete slab that supports columns and transmits loads into the soil. It is used for structures with large or uneven column loads.
- Types of raft foundations include flat plate, thickened under columns, beam and slab, box structures, and mats on piles.
- Construction involves soil testing, excavation, reinforcement placement, forming, concrete pouring, and curing. Raft foundations are economic and reduce differential settlement but require treatment for point loads.
The document discusses different types of lintels and arches used in building construction. It describes lintels as horizontal structural members placed across openings to support the structure above. Various lintel materials include timber, stone, brick, reinforced brick, steel, and reinforced concrete. Arches are structures that span openings and support weight below through arch action. Key arch types include flat, semi-circular, segmental, relieving, parabolic, and others defined by their geometric shape. Arches are classified based on materials like brick, stone, concrete, metal and wood. Factors in arch construction and methods to prevent arch failure are also summarized.
The document discusses different types of doors and windows. It describes doors in terms of their components, sizes, frames, types and materials. The main types of doors covered are paneled doors, glazed doors, flush doors, louvered doors, revolving doors, sliding doors, swing doors and collapsible doors. It also discusses different types of windows like fixed windows. Rolling shutters are described as curtain-like doors made of thin steel sheets used for shops and warehouses. The document provides detailed information on specifications and uses of different door and window components.
This document discusses the design of flat slab structures. It begins by defining a flat slab as a type of slab supported directly on columns without beams. It then provides details on the types of flat slabs, their common uses in buildings, and benefits such as flexibility in layout and reduced construction time. The document goes on to discuss key design considerations for flat slabs including thickness, drops, column heads, and methods of analysis. It focuses on the direct design method and provides limitations for its use.
The document discusses different types of flooring materials and their construction. It describes the key components of flooring as the sub-floor or base course, and floor covering. Common materials used include cement concrete, lime concrete, stones, bricks and wood. The selection of flooring depends on factors like initial cost, appearance, durability, damp and fire resistance. Specific flooring types discussed include mud, muram, brick, flagstone, cement concrete, terrazzo, mosaic and tile flooring.
The document discusses different types of staircases and their components. It provides definitions for technical terms related to staircases like tread, riser, landing, flight, etc. It also outlines requirements for a good staircase such as location, width, pitch, headroom and balustrade requirements. Different types of staircases are classified as straight, turning, continuous and spiral. Dimensions of steps and materials used for staircase construction like timber, metal, RCC and stone are also covered.
The document provides information on the basics of civil engineering foundations. It discusses the objectives and types of foundations, including shallow foundations like isolated and combined footings, and deep foundations such as pile and pier foundations. Pile foundations can be friction piles or load bearing piles. Factors that determine the size and bearing capacity of foundations are also covered. The document contains diagrams to illustrate foundation components and construction methods.
This document discusses arches and their elements. It defines key terms like intrados, extrados, voussoirs, crown, and springing line. It describes how arches transmit loads through compression between wedge-shaped units. Arches are classified by their shape (flat, segmental, semicircular), number of centers (one-centered, two-centered), and construction material (stone, brick, concrete). Common arch types include flat arches, segmental arches, semicircular arches, and pointed Gothic arches.
This document discusses different types of reinforced concrete slabs, including one-way slabs, two-way slabs, flat slabs, and ribbed slabs. One-way slabs are supported on two sides and bend in one direction, while two-way slabs are supported on all four sides and bend in both directions. Flat slabs do not have beams and loads are transferred directly to columns, providing a plain ceiling. Ribbed slabs contain reinforced concrete ribs spaced no more than 1 meter apart between which the slab spans.
Definition,
functions,
types of foundations,
foundation loads,
selection criteria for foundations based on soil conditions,
bearing capacity of soil,
methods of testing,
method of improving bearing capacity of soil,
settlement of foundations,
precautions against settlement,
shallow and deep foundations,
different types of foundations – wall footing (strip footing), isolated footing, combined footing, raft foundation, pile foundation etc.
Masonry is the building of structures from individual units laid in and bound together by mortar; the term masonry can also refer to the units themselves.
Formwork is a temporary mold used to contain and shape wet concrete until it is cured, and gain sufficient strength to support its own weight. It is commonly made from timber or steel. Formwork must balance requirements like containment, strength, resistance to leakage, accuracy, ease of handling, finish, access for concrete, and economy. It is designed according to factors like the loads it will support, type of structure being built, and materials used. Formwork goes through stages of assembly, concrete placement, and stripping. Proper design, construction, and maintenance of formwork is important to produce high quality, safe concrete structures economically.
The document discusses different types of walls used in buildings including load-bearing walls, non-load bearing walls, cavity walls, and partition walls. It describes the main purposes, materials used, and characteristics of each type of wall. Various finishes that can be applied to walls are also outlined such as plaster, paint, wallpaper, and acoustic treatments that can improve sound absorption.
The document discusses flooring materials and their properties. It provides information on various types of flooring materials including ceramic tiles, marble, terrazzo tiles, and vitrified tiles. For each material, it describes the manufacturing process, characteristics, advantages, disadvantages, common uses, and costs. Ceramic tiles are made from clay, sand and other natural materials that are fired at high temperatures. Marble is a natural stone that comes in various colors and grades. Terrazzo involves pouring a composite material that is ground and polished smooth. Vitrified tiles are made through a process that makes them non-porous and highly durable.
This document provides information about arches, including their definition, functions, elements, and technical terms. It describes different types of arches classified by shape (flat, segmental, semicircular, horseshoe, pointed, and Venetian) and material/workmanship (stone rubble/ashlar, brick rough/axed/gauged/purpose made, and concrete precast/monolithic). The construction process of arches involves three steps - installing centering or formwork, laying/casting the arch, and then striking or removing the centering after the arch gains strength.
It is used as a mould for a structure in which fresh concrete is poured only to harden subsequently.
formwork for concrete slab
beam formwork
steel formwork
doka h20
types of formwork
formwork for concrete
what is formwork in construction
building formwork
plywood disadvantages
advantage plywood
advantages and disadvantages of wood
best plywood for formwork
plywood formwork for concrete
mdf advantages and disadvantages
examples of advantages and disadvantages
advantage steel and construction
advantages of steel
disadvantages of steel structures
examples of advantages and disadvantages
advantages and disadvantages of surveys
wiki advantages and disadvantages
steel formwork design
steel formwork system
The document discusses different building structural systems. It describes structural systems as assemblages of components that transfer loads through members to provide stability and durability. Some key structural systems discussed include wall bearing systems, skeleton systems using beams and columns, frame systems, truss systems, arch systems, shell systems, tent systems, and cable systems. Each system is defined and examples are provided.
lintels are the horizontal members...this ppt discuss about the lintels ...functions...types etc
structural steel lintels
precast concrete lintels
precast concrete lintels prices
steel lintel lowes
steel lintel beam details
masonry lintel span tables
steel lintel sizes for masonry openings
steel lintels masonry
masonry lintel span tables
steel lintel size chart
lintel of a house
lintel construction
block wall lintels
what is a window lintel
what is a lintel
steel lintel for concrete block
The document discusses different types of slabs used in construction. It defines a slab as a thin concrete structure used for flooring that can be square, rectangular or circular in shape. The main types discussed are:
1. Flat slab - A beamless slab constructed directly on columns for a simpler design.
2. Conventional slab - Supported by beams on columns, which can be one-way or two-way depending on load direction.
3. Sunken slab - Used below washrooms to hide pipes below the floor level.
4. Hallow core slab - A precast slab with voids that requires less concrete and provides service ducts.
Foundations can be broadly classified as shallow or deep. Shallow foundations include spread footings, combined footings, strap footings, and mat/raft foundations. Deep foundations transfer load to deeper soils and include pile foundations, pier foundations, and caissons/well foundations. Under-reamed pile foundations are recommended for expansive soils like black cotton soil as they anchor the structure below the moisture fluctuation zone. The piles are bored, under-reamed at the base, reinforced, and poured with concrete to provide a stable foundation.
Foundations transmit loads from structures to the ground. Shallow foundations have depths less than their widths and include footings and rafts. Deep foundations have greater depths and include piles and caissons/wells. Footing types include isolated, wall, combined, cantilever, inverted arch, and raft. Piles can be end-bearing, friction, or composite. Requirements for good foundations include distributing loads over large soil areas without exceeding bearing capacity and minimizing settlement. Methods to improve soil bearing capacity include increasing depth, draining water, compacting, grouting, and chemical treatment.
Building materials and construction Technology Roofs.pptxAdarshChatra
A roof provides structural covering to protect a building from weather. The main functions of a roof are to provide protection from weather, enclose space, and protect interior from moisture and heat loss. Roofs can be flat, pitched, or curved. Common roof types include simple slab, lean-to, couple close, collar beam, double purlin, and framed trussed roofs using king post or queen post designs. Roof design considers span, materials, loads, wind pressure, and weather resistance.
The document discusses different types of foundations and roof systems used in construction. It describes shallow foundations, including spread footings, strip footings, and mat foundations. It also covers deep foundations like pile foundations and caissons. For roof systems, it outlines flat roofs, sloping roofs, reinforced concrete roof slabs, and precast concrete roof slabs. It provides details on the characteristics and uses of each type.
This document discusses different types of foundations, including shallow and deep foundations. Shallow foundations include spread footings, combined footings, strap footings, and raft/mat foundations. Deep foundations include pile foundations, pier foundations, and caisson/well foundations. It also discusses considerations for foundations on expansive black cotton soil, recommending methods like strip foundations, pier foundations, and under-reamed pile foundations.
Pile foundation is important for construction of foundation where bearing capacity of soil is poor. Pile foundation is use for distribution of uneven load of superstructure.There are so many type of pile are use for construction. Here i present some of pile with suitable condition for construction and methods for construction.
Thank you.
This document provides an overview of pile foundations and advanced construction technologies. It defines pile foundations and lists their common uses. Piles are classified as load bearing or non-load bearing, with load bearing piles further divided into bearing and friction piles. Factors for selecting the appropriate pile type include load requirements, soil conditions, and cost. The document describes pile components like caps and shoes. It also covers pile installation methods, common pile materials, and potential causes of pile failure.
The document discusses flat grid or waffle slab systems. It defines waffle slabs as having two-directional reinforcement on the outside, giving it a waffle-like shape. This provides stability without using much material, making it suitable for large flat areas like foundations and floors. Waffle slabs are used in industrial and commercial buildings where large spans are needed with few columns. They provide features like using less concrete and steel than traditional slabs while providing strength and resistance to cracking and sagging. The document outlines the production, design, and construction process for waffle slabs and notes some iconic landmarks that have utilized this system.
This document provides information about space frames, cable structures, and folded plate structures. It defines a space frame as a truss-like, lightweight rigid structure constructed from interlocking struts in a geometric pattern. Space frames can span large areas with few interior supports. Folded plates are assemblies of flat plates rigidly connected along their edges to form a structural system without additional beams. Cable structures derive their strength from tension forces in the cables rather than from bending or compression. Common cable structures include suspension bridges, cable-stayed bridges, and cable-supported roofs.
Brick masonry involves constructing walls by bonding together brick units with mortar. The strength of brick masonry depends on factors like the quality of bricks, mortar, bonding method, and workmanship. There are different types of bonds used in brick masonry like English bond (alternating header and stretcher courses), Flemish bond (headers and stretchers alternately within each course), and Stretcher bond (all bricks laid as stretchers). Proper use of bonds, materials, and construction techniques provides strong, durable brick masonry walls.
Slab is a flat piece of concrete used as a walking surface or load bearing element. It can be supported by walls, beams, or columns. Slabs provide a flat surface and act as insulators while supporting loads. Slabs are classified as one-way, two-way, flat plate, or waffle depending on their reinforcement configuration and load distribution. One-way slabs are reinforced in one direction while two-way slabs carry load in two directions. Flat plate slabs do not use beams but instead rely on slab reinforcement to carry loads. Waffle slabs contain ribs to increase stiffness. Common slab issues include cracking from inadequate design or construction, and dampness from moisture penetration.
This document provides an overview of different types of flooring materials and their characteristics. It discusses traditional flooring materials like mud, brick, stone and wooden flooring. It also covers modern materials like cement concrete, terrazzo, tile, marble, vinyl and glass flooring. For each type, it provides details on their composition, construction process, advantages and disadvantages. It also discusses different structural systems for reinforced concrete floors like simple slab, beam-slab and flat slab flooring, as well as pre-cast concrete floors.
Pile foundations Case Study Delhi Metro Site VisitMohd Kashif
This document provides information about deep foundations, including what they are, where they are used, how they are classified, and examples of different pile types. It defines deep foundations as transferring loads to deeper layers of soil or rock compared to shallow foundations. It classifies piles based on function and material and provides details on common types like timber, concrete, steel, and composite piles. The document also includes a case study describing the construction of drilled shaft pile foundations for a metro station in Delhi, with steps like drilling, stabilizing holes, and pouring concrete.
This document discusses different types of brick and stone masonry. It describes various bonds used in brick masonry like stretcher bond, header bond, English bond, Flemish bond, and double Flemish bond. It also discusses different types of stone masonry like rubble masonry which can be further classified into uncoursed and coursed rubble. Ashlar masonry is also described which uses accurately dressed stone blocks. Various patterns used in ashlar masonry are mentioned as well.
Pile foundations are used when a simple spread foundation is not possible due to deep, compressible, or waterlogged soil that cannot provide adequate bearing capacity. Piles transfer structural loads deep into the ground to stronger soil or bedrock layers. There are several types of piles that differ in material (wood, concrete, steel, etc.) and installation method (driven, cast-in-place, precast, etc.). Common pile types include H-beam steel piles, concrete-filled tube piles, precast concrete piles, and timber piles. Pile foundations allow buildings and structures to be supported in difficult soil conditions.
Coffered ceilings and slabs are rigid, planar structures that use a series of intersecting ribs to distribute loads across a space. The document discusses the history and architectural uses of coffered ceilings. It also describes different types of coffered slab structures like waffle slabs and drop slabs that are used for their load bearing capacities in long span structures like schools and hospitals. Various coffered slab construction techniques are outlined, including the use of precast elements and how services can be run through the coffered spaces.
Walls And Floors, Columns, Plastering And Pointing.pptxdshah162002
This document discusses various construction elements such as walls, floors, columns, plastering, and pointing. It describes the different types of each element and the materials and techniques used. Walls are classified as load-bearing or non-load bearing and include brick, concrete, and other materials. Floors include concrete, wood, tile, and other flooring types. Columns support floors and roofs and can be rectangular, circular, or other shapes. Plastering provides a smooth protective layer on walls using cement, lime or gypsum. Pointing fills gaps between bricks or stones. Proper selection and maintenance ensures durability and aesthetics of these structural elements.
Form work for R.C.C. Wall, slab, beam and column, centering for arches
of large spans and dams, design features for temporary works, slip
formwork, False work for Bridges
Data Communication and Computer Networks Management System Project Report.pdfKamal Acharya
Networking is a telecommunications network that allows computers to exchange data. In
computer networks, networked computing devices pass data to each other along data
connections. Data is transferred in the form of packets. The connections between nodes are
established using either cable media or wireless media.
Covid Management System Project Report.pdfKamal Acharya
CoVID-19 sprang up in Wuhan China in November 2019 and was declared a pandemic by the in January 2020 World Health Organization (WHO). Like the Spanish flu of 1918 that claimed millions of lives, the COVID-19 has caused the demise of thousands with China, Italy, Spain, USA and India having the highest statistics on infection and mortality rates. Regardless of existing sophisticated technologies and medical science, the spread has continued to surge high. With this COVID-19 Management System, organizations can respond virtually to the COVID-19 pandemic and protect, educate and care for citizens in the community in a quick and effective manner. This comprehensive solution not only helps in containing the virus but also proactively empowers both citizens and care providers to minimize the spread of the virus through targeted strategies and education.
Impartiality as per ISO /IEC 17025:2017 StandardMuhammadJazib15
This document provides basic guidelines for imparitallity requirement of ISO 17025. It defines in detial how it is met and wiudhwdih jdhsjdhwudjwkdbjwkdddddddddddkkkkkkkkkkkkkkkkkkkkkkkwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwioiiiiiiiiiiiii uwwwwwwwwwwwwwwwwhe wiqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq gbbbbbbbbbbbbb owdjjjjjjjjjjjjjjjjjjjj widhi owqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq uwdhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhwqiiiiiiiiiiiiiiiiiiiiiiiiiiiiw0pooooojjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj whhhhhhhhhhh wheeeeeeee wihieiiiiii wihe
e qqqqqqqqqqeuwiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiqw dddddddddd cccccccccccccccv s w c r
cdf cb bicbsad ishd d qwkbdwiur e wetwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww w
dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffw
uuuuhhhhhhhhhhhhhhhhhhhhhhhhe qiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii iqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc ccccccccccccccccccccccccccccccccccc bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbu uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuum
m
m mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm m i
g i dijsd sjdnsjd ndjajsdnnsa adjdnawddddddddddddd uw
This study Examines the Effectiveness of Talent Procurement through the Imple...DharmaBanothu
In the world with high technology and fast
forward mindset recruiters are walking/showing interest
towards E-Recruitment. Present most of the HRs of
many companies are choosing E-Recruitment as the best
choice for recruitment. E-Recruitment is being done
through many online platforms like Linkedin, Naukri,
Instagram , Facebook etc. Now with high technology E-
Recruitment has gone through next level by using
Artificial Intelligence too.
Key Words : Talent Management, Talent Acquisition , E-
Recruitment , Artificial Intelligence Introduction
Effectiveness of Talent Acquisition through E-
Recruitment in this topic we will discuss about 4important
and interlinked topics which are
Better Builder Magazine brings together premium product manufactures and leading builders to create better differentiated homes and buildings that use less energy, save water and reduce our impact on the environment. The magazine is published four times a year.
Online train ticket booking system project.pdfKamal Acharya
Rail transport is one of the important modes of transport in India. Now a days we
see that there are railways that are present for the long as well as short distance
travelling which makes the life of the people easier. When compared to other
means of transport, a railway is the cheapest means of transport. The maintenance
of the railway database also plays a major role in the smooth running of this
system. The Online Train Ticket Management System will help in reserving the
tickets of the railways to travel from a particular source to the destination.
Sachpazis_Consolidation Settlement Calculation Program-The Python Code and th...Dr.Costas Sachpazis
Consolidation Settlement Calculation Program-The Python Code
By Professor Dr. Costas Sachpazis, Civil Engineer & Geologist
This program calculates the consolidation settlement for a foundation based on soil layer properties and foundation data. It allows users to input multiple soil layers and foundation characteristics to determine the total settlement.
Cricket management system ptoject report.pdfKamal Acharya
The aim of this project is to provide the complete information of the National and
International statistics. The information is available country wise and player wise. By
entering the data of eachmatch, we can get all type of reports instantly, which will be
useful to call back history of each player. Also the team performance in each match can
be obtained. We can get a report on number of matches, wins and lost.
2. What is a slab?
• Slab is a thin concreted flat structure mostly used for flooring purpose.
• It can be square, rectangular, circular in shape.
• Slabs can be used in making floors, ceilings and some sometimes paving too.
• Thickness of a slab varies from 4 to 6 inches.
• 4 inches thick slab will be used where there is light load on the floor (dead and live)
• Whereas 6 inches thick slab is used where there is quite heavy load on the floor
• Slabs are mostly known as RCC slabs that means Reinforcement Cement and
Concrete Slabs.
• Materials which are used to make RCC slabs are: Cement, Course aggregate, fine
aggregates and reinforcement bars.
3. Types of slabs
• One way slab
• Two way slab
• Joist slab (ribbed slab)
• Flat plate
• Flat slab
• Waffle slab
• Hollow core slab
• Hardy slab
• Bubble Deck slab
• Composite slab
• Precast slab
4. One way slab
• One way slab is a slab which is supported by opposite sides of the slab via
beams or walls.
• These slabs are used where there is shorter distance between both opposite
sides and there is less load on the upper side.
• In one way slab load is carried out only by one direction either by x-axia or y-
axis.
• This kind of slab is mostly used in warandahs and projections
5. Two way slab
• Two way slab is supported by all sites either by columns and beams or walls.
• The load in two way slab is carried out by both directions like x-axis and y-
axis.
• These slabs can be used where the pan is between 6 to 9 meters.
• The beams under the slab provides more stiffness to the slab to carryout the
load well.
• This two way slab need more formwork as compared to one way slab as it is
supported via all four sides.
6. Joist slab (ribbed slab)
• It consists of a floor block, sometimes 50 to 100mm thick, supported
by concrete ribs (or joists).
• The ribs are sometimes thin and are evenly spaced at distances
that don't exceed 29 inches.
• The ribs are supported on beams that rest on columns.
• The slab is suitable for spans of 6-9m. due to the deep ribs, the concrete and
steel quantities are comparatively low, however high-ticket formwork is
required.
7. Flat plate
• Flat plates are often constructed as one-way or two-way slabs and it's directly
supported by columns or walls.
• it's easy to construct and requires simple formworks.
• Flat plates are best suited for spans of 6 to 8m.
• Added there, the range of spans for flat plates is between 8-12m, and it also can be
constructed as post-tensioned slabs.
• The advantages of adopting flat plates include low-cost formwork, exposed flat
ceilings, and faster construction. Flat plates have low shear capacity and
comparatively low stiffness, which can cause noticeable deflection.
8. Flat slab
• This is typically a reinforced slab supported directly by columns or caps,
without the utilization of beams.
• this sort of slab is usually easy to construct and requires little formwork. the
weight directly transferred to the columns.
• Flat slabs are best suited for spans of 6 to 9m.
• they have more formwork than flat plates, especially for column capitals.
• In most cases, only drop panels without column capitals are used. It is
often constructed as a post-tensioned flat slab.
9. Waffle slab
• It is a kind of concrete slab that contains square grids with deep sides.
• Waffle slab construction process includes fitting forms, placement of pods
on shuttering, installation of reinforcement between pods, installation of
steel mesh on top of pods, and pouring of concrete.
• Grid slabs are suitable for spans of 9-15m.
• Formwork, including the utilization of pans, is sort of expensive.
10. Hollow core slab
• It is a kind of precast slabs in which there are core in it.
• These cores removes the weight from slab
• These cores are also used for service ducts for wiring and plumbing etc.
• These slabs are mostly required in fast and light weighted construction.
• The size of this kind of slabs varies, it doesn’t have any size restrictions
• These slabs are just fixed between beams and gaps are filled with screed.
11. Hardy slab
• These are basically concreted bricks.
• It has hollow space in the middle that is why it is light weighed concreted brick
• Thickness of this brick is not more then 10 inches
• These bricks are installed in the reinforcement then it is filled with pouring cement
over it.
• It is fast in construction
• It is comparatively light weighted then ordinary slabs.
• These slabs are used where there in high temperature region.
12. Bubble Deck slab
• It has a prefabricated plastic bubbles.
• These bubbles are placed on beam then reinforcement is filled over and in
the side of these bubbles.
• Then concrete in poured over it.
• It is light weighted structure.
• And environment friendly as it has less amount of concrete.
13. Composite slab
• Composite slab has a steel deck under it.
• Over that steel deck there is reinforcement.
• The reinforcement is filled with fresh concrete.
• Decks also work as a reinforcement agent.
• Thickness of deck is 50 to 60mm.
• Whereas 800mm is the thickness of the entire slab.
14. Precast slab
• These are precast slab.
• These are made in industries and sent toward the constructional site.
• It do not create any mess to constructed as it is not made on the site.
• The most common type in it is double-T shape, it can go upto 15m span.
• It has a tongue and groove channel slab too.The tongue in fixed inside the groove
of the other slab.
• It has also single channel slab too.
• These kind of slabs are 245 cheaper then other slabs.
雅虎竞拍
煤炉代买
paypay商城
乐天二手
日本亚马逊
乐天新品
ZOZOTOWN
